After leaving class early, Sonia Zárate gets a startling phone call about her daughter, and an indoor kid at heart, Sam Dingman goes on a hike anyways and ends up making a shocking discovery.

Erik Vance's first job reporting on scientific research doesn't smell as much like success as it smells like manure and Liz Neeley observes hypnosis from the inside when she becomes the subject of the experiment.

In difficult times, park ranger Gary Bremen takes solace in "sea hearts" that wash ashore, and when Dawn Fraser finds out that she and her twin brother, Dwayne, who was born with Down Syndrome, are one in a million, she searches for other twins like them.

While running an errand, Andrea Azarian happens upon a lost horse that needs her help, and left in charge of the farm for the first time, Gwynne Hogan panics when a goat goes into labor.

Transporting virginal fruit flies from Houston to Honolulu proves to be no easy task for Patricia Savant, and when a storm rocks the cruise ship where he works, Mike Funergy worries about how the elderly passengers will handle it.

When Saurin Choksi starts dating a neuroscientist, it challenges his assumptions about gender roles, and Wendy Suzuki's trajectory as a neuroscientist is forever altered by a passionate love affair in Paris.