It’s all in the chemistry…Sisters Sarah and Molly are close, but they couldn’t be more different. Sarah runs a craft business and is obsessed with all things shiny and glam, whilst Molly is much more at home in her white coat and goggles, working in a science lab.When Molly is put onto a new assignment, she’s over the moon. It’s a high-profile, top secret project – and she has a handsome new boss to ogle at when she’s not bending over a petri dish…But when Sarah finds herself on the painful end...