Gaudi Afternoon (2003)

Frankie, a mysterious stranger, asks Cassandra, an American translator living in Barcelona, for help locating her estranged husband Ben. As the task comes with monetary compensation, Cassandra, having financial difficulties, finds it impossible to refuse the offer. Ben has taken off with their daughter Delilah and his new girlfriend April. As Cassandra tracks the trio down, she finds herself drawn to a very unconventional family.