Their relationship reaches a breaking point following Caleb's kiss with Hanna in the previous season. Spencer, overwhelmed by the murder, turns Caleb away and later has a brief encounter with a stranger, Marco Furey , at the Radley bar.
The man killed is revealed to be Archer Dunhill , a fraud who assumed the doctor's identity. [S7E4] Hit and Run, Run, Run
Mona Vanderwaal reveals she has been tracking Elliott and intervenes by cleaning the crime scene, replacing Hanna's shattered windshield, and retrieving a forgotten bracelet that would have linked Hanna to the scene. Key Plot Developments & Reveals overwhelmed by the murder
The pressure of the secret begins to fracture the girls' personal lives: replacing Hanna's shattered windshield