Ainsley (Kelsey Gunn) is 死老鼠a misanthrope who hates people but when she suddenly finds herself in isolation with no one to talk to, she realizes how much she actually misses connection. Enter Ulysses, a dead mouse in a jar. With a little bit of loneliness, a pinch of imagination, and a mouse- sized tuxedo, Ulysses becomes her training wheels in this newly discovered world of friendship.