"The swimmers are unknown to each other except through their private routines (slow lane, fast lane), and the solace each takes in their morning or afternoon laps. But when a crack appears at the bottom of the pool, they are cast out into an unforgiving world. One of these swimmers is Alice, who is slowly losing her memory. For Alice, the pool was a final stand against the darkness of her encroaching dementia. Without the fellowship of other swimmers...