Her busy father is never there. Jane often feels alone in sunny California and longs for her Scottish homeland. When she learns that her father has apparently intercepted all of her grandmother's letters, she immediately packs her bags and travels to Scotland. She is looking forward to seeing her cousin Sinclair again - but he has turned into a ruthless egoist ...

For the young prosecutor Daniela Mauriac, everything seems to be going according to plan. Chief Prosecutor Julius Stern offers her the chance to succeed him. Full of enthusiasm, she throws herself into her first case: a serial killer who calls himself Cupid pierces his victims’ hearts with arrows and arranges their bodies as if they were crucified.