Joca, a Brazilian boy of 13, and Basano La Tatuada a Paraguayan indigenous girl living on the border between the two countries, marked by the waters of the Rio Apa. Joca is in love with Basano and wants to do everything to win her love.
Teenage runaway Tia (Gloria Popata) hitches a ride on an isolated country road. When the car crashes with fatal consequences, Tia finds she has nowhere to go. Seeking out the family of the crash victim, Tia moves onto the farm of fellow survivor Will (David Elliot) and his pregnant wife Donna (Chelsie Preston Crayford). When Donna's bereaved six-year-old niece Lily (Georgia Spillane) also comes to stay, Tia finds a purpose in helping the girl come to terms with her father's death. But as Tia's bonds with Will and Lily deepen, her presence threatens the family's delicate balance.