Plot Synopsis

Executive produced by series star Kate Winslet, MARE OF EASTTOWN is a limited series that follows Mare Sheehan, a small-town Pennsylvania detective, who investigates a local murder as her life crumbles around her. This crime drama series focuses on family and community, including: Helen, Mare's mother; Siobhan, Mare's teenaged daughter; Detective Colin Zabel, the county detective called in to assist with Mare's investigation; Richard Ryan, a local creative writing professor; Erin McMenamin, an isolated teen living with her volatile father; Frank Sheehan, Mare's ex-husband; Chief Carter, Mare's boss at the Easttown Police Department; Kenny McMenamin, Erin's father; Deacon Mark Burton; Carrie Layden, Drew's mother and Kevin's ex-girlfriend; John Ross, Lori's husband and high school sweetheart; and Mare's cousin, Father Dan Hastings. Episodes include:

"Miss Lady Hawk Herself" (Sunday, April 18, 2021 at 10:05pm ET/PT): After answering a call about a neighborhood prowler, Detective Mare Sheehan shoulders her chief's directive to revive an unsolved missing person's case amid increased community pressure. Later, while her loved ones celebrate her ex-husband Frank's engagement, Mare attends a celebration for her legendary high school basketball win and connects with Richard, a professor who's new in town. Written by Brad Ingelsby; Directed by Craig Zobel.

"Fathers" (Sunday, April 25, 2021 at 10pm ET/PT): Mare visits a grisly murder scene before informing the victim's enraged father. As a video from the night of the crime surfaces, Mare questions suspects in the case and gives an icy welcome to County Detective Colin Zabel, who's been called in to assist. Later, Mare bumps heads with locals and airs concerns about her grandson Drew in light of her late son's mental health struggles. Written by Brad Ingelsby; Directed by Craig Zobel.

"Enter Number Two" (Sunday, May 2, 2021 at 10pm ET/PT): As Mare and Colin parse new physical evidence, phone records lead to an unlikely suspect. After lashing out at Helen about a possible custody fight over Drew, Mare receives some unprompted advice from Richard on how to move forward with Carrie. Later, Kenny and Mare face the consequences of their misguided attempts to protect their families. Written by Brad Ingelsby; Directed by Craig Zobel.

"Poor Sisyphus" (Sunday, May 9, 2021 at 10pm ET/PT): With Mare forced to take a backseat on the case, Colin presses a local priest about the vague circumstances that prompted his transfer to the parish. Meanwhile, an anonymous call gives Dawn hope that Katie might still be alive. Written by Brad Ingelsby; Directed by Craig Zobel.

"Illusions" (Sunday, May 16, 2021 at 10pm ET/PT): In her mandated therapy, Mare opens up about her family's history with mental health struggles. Meanwhile, Lori tries to get to the bottom of her son's outburst at school, and later, Mare meets with a semi-retired source to help find a possible connection to her three cases. Written by Brad Ingelsby; Directed by Craig Zobel.

"Sore Must Be the Storm" (Sunday, May 23, 2021 at 10pm ET/PT): After a heroic rescue lands her in the hospital, Mare awakes to the unshakeable pain of losing a friend. Then, given a second chance by Chief Carter, Mare reevaluates old suspects, which leads to a shocking clue. Meanwhile, Richard visits Mare in hopes of deepening their relationship, and Lori confides in her best friend about recent family troubles.

"Sacrament" (Sunday, May 30, 2021 at 10pm ET/PT): When her investigation takes a series of devastating turns, Mare's friends and family members process the fallout as she attempts to finally find her own way forward. Earlier in the day (2-8pm ET/PT), HBO2 aired a six-hour MARE OF EASTTOWN marathon, showing the first six episodes back-to-back before the series finale.