England

Elin grows up in England with her brothers. The three of them go to the seaside one day to collect crabs. After the boys get in a competitive fight about who can collect more crabs, and Isaac dumps over Sam's bucket of crabs, their fight ends. Isaac goes to the bathroom, and Sam falls into a natural pool, hitting his head and dying instantly. Elin spends her whole life suspecting that Isaac actually pushed Sam. She becomes obsessed with finding answers and becomes a police detective. She decides to go after a murderer alone, and finds herself back at the seaside where she is attacked and nearly drowned. After this incident, she is forced to take a leave of absence from work, which she extends to last nearly a year. She lives near her mother, alone, and refuses to even talk about moving in with her boyfriend, Will...