Science writer Kate Sheridan falls in love with a man who suffers from paralyzing headaches, and math teacher Giselle George-Gilkes is on a trip with her students when she receives terrible news from home.

Gail Thomas clashes with her oncologist while deciding how to fight her cancer, and as a marathon runner, Pierce McManus prides himself on his toughness — but then he begins coughing up blood.

Science journalist Sushma Subramanian experiments with haptic technology to connect with her long-distance fiance, and Nick Andersen’s type 1 diabetes begins to affect his dating life.

Fiona Calvert is a crier — but when she starts her PhD, she promises herself she’ll never cry in front of her colleagues, and after graduating with his PhD, Shane Hanlon struggles to find balance in his science career.

When Cailin Gallinger struggles with her gender identity in college, her volunteer position in a plant lab becomes a lifeline, and in the midst of homelessness and abuse, Rose DF dreams of a life in science.