Nathan doesn’t know how to stop dwelling on the failures and tragedies of his life. He meets a much younger ER nurse, Mateo, who brings hope back to him. Still, he dwells on his past until his budding relationship with Mateo overshadows his doubts, giving him a hint of belief that Mateo might be the one. Their coming together isn't without its challenges as Mateo must take care of his mother with dementia and Nathan must overcome his feelings of inadequacy and his tendency to sabotage his relationships.