During a blizzard, Nell finds herself snowed in with her new colleague, grumpy paediatrician Seth. Following an icy startand an inconvenient spark!Nell tries to keep her distanceuntil they're forced to appear together as Santa and his elf on the children's ward! Nell doesn't celebrate the seasonnot after all she's lost. And single dad Seth struggles at Christmastime too. Is this the year they'll let their boxed-up feelings be unwrapped?