Mr. Cane had the last laugh

In Mr. Cane's classroom, the students are working in different groups. Henry is busy feeding his mind with inappropriate images on his phone instead of engaging in the task with the rest of his mates. Mr. Cane catches him right on the act and Henry makes his phone disappear. The drama ensues between Henry and Mr. Cane. Will Henry produce the phone? What will Mr. Cane do?

(Image taken from www.yahoo.co.uk)