After leaving the island of Calypso, Odysseus was caught in a storm unleashed by the sea god Poseidon. Leucothea, a sea deity who assisted those who had been shipwrecked, advised Odysseus to leave his raft and swim ashore to the land of the Phaeacians, giving him a shawl to protect him from drowning. Preller¿s cycle of Odyssey paintings determined how several generations of Germans pictured the events described in Homer¿s epic.