The Croods find a man frozen in ice and thaw him, only to discover he was an old flame of Gran's.

Determined for Grug and Guy to bond, Eep plans a hunt for the three of them that becomes dangerous.

When Grug saves Hope's life during a dangerous mountainside tartichoke harvest, rather than feeling grateful, Hope is desperate to save Grug's life in order to not be indebted to him.

Determined to show Hope that she's just as good a cook, Ugga decides to cook a meal that will wow the farm residents. But when Ugga realizes she's out of her element, she turns to an unlikely place for help: the punch monkeys.

When Hope allows Dawn to borrow her favorite bracelet, Dawn is determined to prove she is responsible.

Gran announces it's time for a Thunder Sister retreat to strengthen their team building skills, but Gran takes it too far when she puts the sisters through a dangerous trial.