: Rumors circulate that Mare's ex-husband, Frank Sheehan , might be the father of Erin’s baby, DJ. Frank denies this and willingly agrees to a paternity test to clear his name.
"Enter Number Two" is the third episode of the HBO crime drama . The story focuses on the evolving investigation into Erin McMenamin's murder and Mare Sheehan's increasingly desperate personal life. The Investigation Deepens
: Under immense pressure, Mare makes a reckless decision to plant heroin (stolen from evidence) in Carrie’s car to sabotage her custody claim. [S1E3] Enter Number Two
: Mare is locked in a tense conflict with Carrie Layden , the mother of her grandson Drew. Carrie is seeking full custody, and Mare is determined to stop her, fearing for Drew’s safety due to Carrie’s history of drug addiction.
: An autopsy reveals that Erin was killed elsewhere and moved to the creek. A bullet fragment found by Mare at a local park suggests the murder weapon was a rare model. Mare’s Personal Crisis : Rumors circulate that Mare's ex-husband, Frank Sheehan
: Erin’s phone records lead the police to Deacon Mark Burton , who was the last person she called on the night she died. While the deacon claims he only provided counsel, he is later seen secretly dumping Erin's missing bicycle into a river.
: The episode ends with the police chief discovering Mare's deception after Carrie is pulled over. Mare is forced to surrender her badge and gun and is placed on administrative leave . Subplots The story focuses on the evolving investigation into
: Kenny McMenamin, Erin’s father, confesses to Mare and Detective Colin Zabel that he shot Dylan Hinchey. However, Mare reveals that Dylan survived the attack, though he faces a long recovery and may never walk again.