When Ali and Tulip's mum becomes unnaturally sleepy and forgetful, the twins become suspicious of her new boyfriend. Luckily they've picked up lots of medical knowledge from their mum, who works at the local hospital, so they are totally on the case to solve this medical mystery!

When Ali and Tulip's mum becomes unnaturally sleepy and forgetful, the twins become suspicious of her new boyfriend. Luckily they've picked up lots of medical knowledge from their mum, who works at the local hospital, so they are totally on the case to solve this medical mystery!