In May 1948, shortly before the creation of the State of Israel, hundreds of immigrants from across Europe arrive in Palestine--only to risk arrest by British troops.
12-year-old Mathilda is reluctantly taken in by Léon, a professional assassin, after her family is murdered. An unusual relationship forms as she becomes his protégée and learns the assassin's trade.
Four friends band together against an anonymous foe who threatens to reveal their darkest secrets, while also investigating the disappearance of their best friend.