was their story adapted on the silver screen?
Yes, a four-hour television miniseries based on Otis Williams' "Temptations" autobiography.
The Temptations
Also in 1998, three months after the release of "Phoenix Rising" earlier in the year, de Passe Entertainment (run by former Motown vice-president Suzanne de Passe) and Hallmark Entertainment produced "The Temptations", a four-hour television miniseries based on Otis Williams' "Temptations" autobiography. 
who sang i heard it thru the grapevine The Miracles. who are the members of this band? Smokey Robinson, Warren "Pete" Moore, Ronnie White, Clarence Dawson and James Grice. when was it formed? 1955. in the list mentioned above, when was the first person born? 19 February 1940. where was he from? Detroit, Michigan, United States. who composed the above mentioned song? Norman Whitfield and Barrett Strong. what is the weather like in the state mentioned above? It has a continental climate. can you mention any other work by the first composer mentioned above? "Ain't Too Proud to Beg", "(I Know) I'm Losing You", "Cloud Nine", "I Can't Get Next to You", "War", "Ball of Confusion and others. who sang the last song mentioned here? The Temptations. this band that you just mentioned, which record label did they sing for? Motown Records.
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The Temptations [SEP] TV miniseries
Also in 1998, three months after the release of "Phoenix Rising" earlier in the year, de Passe Entertainment (run by former Motown vice-president Suzanne de Passe) and Hallmark Entertainment produced "The Temptations", a four-hour television miniseries based on Otis Williams' "Temptations" autobiography. The miniseries was broadcast in two parts on NBC on November 1 and November 2, 1998, with the first part covering the group's history from 1958 to 1968, and the second part the years from 1968 to 1995. The miniseries was a ratings success and was nominated for five Emmy Awards, with Allan Arkush winning for Best Direction; it was subsequently rerun on the VH-1 cable television network and released to VHS and DVD.